test: adding 21 tests for client/card_resolver.py

[didier-durand]

Description

Adding 21 tests for client/card_resolver.py

They all pass:

========================= test session starts ==============================
collecting ... collected 21 items

tests/client/test_card_resolver.py::TestA2ACardResolverInit::test_init_with_defaults PASSED [  4%]
tests/client/test_card_resolver.py::TestA2ACardResolverInit::test_init_with_custom_path PASSED [  9%]
tests/client/test_card_resolver.py::TestA2ACardResolverInit::test_init_strips_leading_slash_from_agent_card_path PASSED [ 14%]
tests/client/test_card_resolver.py::TestGetAgentCard::test_get_agent_card_success_default_path PASSED [ 19%]
tests/client/test_card_resolver.py::TestGetAgentCard::test_get_agent_card_success_custom_path PASSED [ 23%]
tests/client/test_card_resolver.py::TestGetAgentCard::test_get_agent_card_strips_leading_slash_from_relative_path PASSED [ 28%]
tests/client/test_card_resolver.py::TestGetAgentCard::test_get_agent_card_with_http_kwargs PASSED [ 33%]
tests/client/test_card_resolver.py::TestGetAgentCard::test_get_agent_card_root_path PASSED [ 38%]
tests/client/test_card_resolver.py::TestGetAgentCard::test_get_agent_card_http_status_error PASSED [ 42%]
tests/client/test_card_resolver.py::TestGetAgentCard::test_get_agent_card_json_decode_error PASSED [ 47%]
tests/client/test_card_resolver.py::TestGetAgentCard::test_get_agent_card_request_error PASSED [ 52%]
tests/client/test_card_resolver.py::TestGetAgentCard::test_get_agent_card_validation_error PASSED [ 57%]
tests/client/test_card_resolver.py::TestGetAgentCard::test_get_agent_card_logs_success PASSED [ 61%]
tests/client/test_card_resolver.py::TestGetAgentCard::test_get_agent_card_none_relative_path PASSED [ 66%]
tests/client/test_card_resolver.py::TestGetAgentCard::test_get_agent_card_empty_string_relative_path PASSED [ 71%]
tests/client/test_card_resolver.py::TestGetAgentCard::test_get_agent_card_different_status_codes[400] PASSED [ 76%]
tests/client/test_card_resolver.py::TestGetAgentCard::test_get_agent_card_different_status_codes[401] PASSED [ 80%]
tests/client/test_card_resolver.py::TestGetAgentCard::test_get_agent_card_different_status_codes[403] PASSED [ 85%]
tests/client/test_card_resolver.py::TestGetAgentCard::test_get_agent_card_different_status_codes[500] PASSED [ 90%]
tests/client/test_card_resolver.py::TestGetAgentCard::test_get_agent_card_different_status_codes[502] PASSED [ 95%]
tests/client/test_card_resolver.py::TestGetAgentCard::test_get_agent_card_returns_agent_card_instance PASSED [100%]

======================== 21 passed, 2 warnings in 0.11s ========================

• Follow the CONTRIBUTING Guide.
• Make your Pull Request title in the https://www.conventionalcommits.org/ specification.
• Ensure the tests and linter pass (Run bash scripts/format.sh from the repository root to format)
• [N/A ] Appropriate docs were updated (if necessary)

Fixes #<issue_number_goes_here> 🦕

N/A

[gemini-code-assist]

Summary of Changes

Hello @didier-durand, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request focuses on enhancing the reliability and stability of the A2ACardResolver component by introducing a comprehensive suite of 17 new unit tests. These tests validate the resolver's initialization logic and its critical get_agent_card method across a wide array of scenarios, including successful data retrieval, various path configurations, and robust error handling for network, data parsing, and validation issues. The addition of these tests ensures that future changes to the A2ACardResolver maintain its expected behavior and resilience.

Highlights

• New Test File Added: A new test file, tests/client/test_card_resolver.py, has been added to the project.
• Comprehensive Test Coverage: This pull request introduces 17 new tests for the A2ACardResolver class, significantly improving its test coverage.
• Initialization Tests: Tests cover various A2ACardResolver initialization scenarios, including default paths, custom paths, and handling of leading slashes in paths.
• get_agent_card Method Tests: Extensive tests for the get_agent_card method ensure correct behavior for successful fetches, custom relative paths, root paths, and proper passing of http_kwargs.
• Robust Error Handling: The new tests validate the get_agent_card method's error handling for HTTP status errors, JSON decoding errors, network request errors, and data validation failures.
• Passing Tests: All 17 newly added tests are passing, as confirmed by the provided pytest output.

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[gemini-code-assist]

Code Review

This pull request adds a comprehensive suite of 17 tests for the A2ACardResolver, significantly improving test coverage. The tests cover initialization, various fetch scenarios, and robust error handling. Overall, this is a great addition. I've provided a few suggestions to further enhance the tests by improving fixture data, adding a missing assertion, correcting a docstring, making a test more robust with proper mocking, and refactoring another to use pytest.mark.parametrize for better readability and structure.